4
1
9
0
8
3
8
5
7
1
6
0
5
9
0
4
3
8
8
5
4
5
0
8
4
0
5
7
9
9
0
8
0
8
9
7
3
0
5
5
4
8
8
9
0
6
0
3
2
0
9
6
2
4
8
0
2
7
9
2